{"id":6123,"date":"2016-08-03T08:04:12","date_gmt":"2016-08-03T00:04:12","guid":{"rendered":"http:\/\/rmohan.com\/?p=6123"},"modified":"2016-08-03T08:04:12","modified_gmt":"2016-08-03T00:04:12","slug":"listchange-kernel-in-centos-7","status":"publish","type":"post","link":"https:\/\/mohan.sg\/?p=6123","title":{"rendered":"List\/Change kernel in centos 7"},"content":{"rendered":"<p><strong>List\/Change kernel in centos 7<\/strong><\/p>\n<p>Following command can be used to list the kernels in centos 7<br \/>\n============================<br \/>\n# egrep ^menuentry \/etc\/grub2.cfg | cut -f 2 -d \\&#8217;<br \/>\nLinux Server, with Linux 3.10.0-123.el7.x86_64<br \/>\nLinux Server, with Linux 3.10.0-123.4.4.el7.x86_64<br \/>\nLinux Server, with Unbreakable Enterprise Kernel 3.8.13-35.3.2.el7uek.x86_64<br \/>\nLinux Server, with Unbreakable Enterprise Kernel 3.8.13-35.3.1.el7uek.x86_64<br \/>\nLinux Server, with Linux 0-rescue-d3e0313c0f6d48a0bb72495d2x32r1<br \/>\n==================================<\/p>\n<p>You can use grub2-set-default command to set default boot kernel, to set first kernel in grub2.cfg as default run and reboot.<br \/>\n===============<br \/>\ngrub2-set-default 0<br \/>\n===================<\/p>\n","protected":false},"excerpt":{"rendered":"<p>List\/Change kernel in centos 7<\/p>\n<p>Following command can be used to list the kernels in centos 7 ============================ # egrep ^menuentry \/etc\/grub2.cfg | cut -f 2 -d \\&#8217; Linux Server, with Linux 3.10.0-123.el7.x86_64 Linux Server, with Linux 3.10.0-123.4.4.el7.x86_64 Linux Server, with Unbreakable Enterprise Kernel 3.8.13-35.3.2.el7uek.x86_64 Linux Server, with Unbreakable Enterprise Kernel 3.8.13-35.3.1.el7uek.x86_64 Linux Server, with [&#8230;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[73],"tags":[],"_links":{"self":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/6123"}],"collection":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6123"}],"version-history":[{"count":1,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/6123\/revisions"}],"predecessor-version":[{"id":6124,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/6123\/revisions\/6124"}],"wp:attachment":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6123"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6123"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6123"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}